docs: def com_adobe_fonts_check_name_postscript_name_consistency(ttFont):
    """Name table ID 6 (PostScript name) must be consistent across platforms."""
    postscript_names = set()
    for entry in ttFont['name'].names:
      if entry.nameID == NameID.POSTSCRIPT_NAME:
        postscript_name = entry.toUnicode()
        postscript_names.add(postscript_name)
  
    if len(postscript_names) > 1:
      yield FAIL, ("Entries in the 'name' table for ID 6 (PostScript name) are "
                   "not consistent. Names found: {}."
                   .format(sorted(postscript_names)))
    else:
      yield PASS, ("Entries in the 'name' table for ID 6 "
                   "(PostScript name) are consistent.")